docs: tune RTD to display lists with disc and left margin
RTD default theme removes discs from the section list items which makes
design pages look strange. Add them back via small CSS override.
Also, add 1em on the left side of the disc to provide visual cue that
this is a list item.
Signed-off-by: Alexander Bokovoy <abokovoy@redhat.com>
Reviewed-By: Francisco Trivino <ftrivino@redhat.com>
Reviewed-By: Sumit Bose <sbose@redhat.com>
(cherry picked from commit 79a4073730a8fe5ba2424f3896a2fd440c17ac9e)